Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.
The Senior Network Engineer - Packet Core is a hands‐on technical role responsible for network design and delivery of Packet Core solutions. Acting as a technical input for assigned initiatives, this role develops network design activities from initial scoping through to implementation in the production environment.
Your day to day will consist of
* Lead network design for assigned projects, covering scoping, high‐level and detailed design, testing, implementation, and operational handover.
* Produce, review, and approve high‐quality network design documentation with strong technical governance.
* Independently develop network solutions aligned to business and product requirements.
* Deliver change and deployment activities, including production configuration, change documentation, and Tier 3 operational support.
* Define and maintain Packet Core network standards, processes, and best practices, driving continuous improvement and automation.
* Act as a key technical liaison with internal stakeholders and vendors across engineering, architecture, operations, and commercial functions.
* Provide technical leadership through presentations, trusted advisory support, and strong cross‐functional relationships.
What makes you perfect for the role
* Minimum 6 years' experience in telecommunications, including at least 2 years in a senior Packet Core design role.
* Strong hands‐on experience across Packet Core network architectures and environments.
* Solid understanding of core protocols and technologies including Diameter, GTP, HTTP/S, SCTP, TCP/UDP, and IP routing and switching.
* Experience using network test tools, methodologies, monitoring, and management platforms. Working knowledge of APIs and their application within network solutions.
* Familiarity with Ericsson Packet Core solutions (EPG, DRA, MME, DNS) and network automation tools (e.g. Ansible, GitLab) is desirable.
* Excellent communication, documentation, and stakeholder engagement skills, with the ability to work autonomously within large, complex network environments.
What's in it for you?
* Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
* Competitive leave policies, including additional 'Connected' days to focus on culture, family, health, community, or whatever's important to you.
* We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
* Direct your own development and build future-ready skills with Optus U's industry-focused micro‐credentials, developed with La Trobe and Macquarie Universities.
* Build meaningful connections through employee‐led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
* Put your wellbeing first with free access to counselling and support services, 24/7 — in‐person, by phone, SMS, or video.
At Optus, we are strengthened by others and that means valuing diversity and saying 'yes' to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email AccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help.
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